Srdjan Veljkovic / Mbed 2 deprecated AvnetATT_Pubnub

Avnet AT&T IoT Starter Kit demo for Pubnub

Dependencies:   FXOS8700CQ mbed

wnc_control.cpp@2:0e2ef866af95, 2016-07-10 (annotated)

Committer:
JMF
Date:
Sun Jul 10 00:52:49 2016 +0000
Revision:
2:0e2ef866af95
Child:
10:df54436ecd38
Adding in WNC code from Fred

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 2:0e2ef866af95 1 #include "mbed.h"
JMF 2:0e2ef866af95 2 #include <cctype>
JMF 2:0e2ef866af95 3 #include <string>
JMF 2:0e2ef866af95 4 #include "config_me.h"
JMF 2:0e2ef866af95 5 #include "SerialBuffered.h"
JMF 2:0e2ef866af95 6 #include "wnc_control.h"
JMF 2:0e2ef866af95 7
JMF 2:0e2ef866af95 8 extern Serial pc;
JMF 2:0e2ef866af95 9 extern Serial mdm;
JMF 2:0e2ef866af95 10 extern string MyServerIpAddress;
JMF 2:0e2ef866af95 11 extern string MySocketData;
JMF 2:0e2ef866af95 12
JMF 2:0e2ef866af95 13 int reinitialize_mdm(void);
JMF 2:0e2ef866af95 14
JMF 2:0e2ef866af95 15 enum WNC_ERR_e {
JMF 2:0e2ef866af95 16 WNC_OK =0,
JMF 2:0e2ef866af95 17 WNC_CMD_ERR = -1,
JMF 2:0e2ef866af95 18 WNC_NO_RESPONSE = -2
JMF 2:0e2ef866af95 19 };
JMF 2:0e2ef866af95 20
JMF 2:0e2ef866af95 21 // Contains result of last call to send_wnc_cmd(..)
JMF 2:0e2ef866af95 22 WNC_ERR_e WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 23
JMF 2:0e2ef866af95 24 // Contains the RAW WNC UART responses
JMF 2:0e2ef866af95 25 static string wncStr;
JMF 2:0e2ef866af95 26
JMF 2:0e2ef866af95 27 void software_init_mdm(void)
JMF 2:0e2ef866af95 28 {
JMF 2:0e2ef866af95 29 do
JMF 2:0e2ef866af95 30 {
JMF 2:0e2ef866af95 31 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 32 at_init_wnc();
JMF 2:0e2ef866af95 33 if (WNC_MDM_ERR != WNC_OK)
JMF 2:0e2ef866af95 34 reinitialize_mdm();
JMF 2:0e2ef866af95 35 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 36 }
JMF 2:0e2ef866af95 37
JMF 2:0e2ef866af95 38 void resolve_mdm(void)
JMF 2:0e2ef866af95 39 {
JMF 2:0e2ef866af95 40 do
JMF 2:0e2ef866af95 41 {
JMF 2:0e2ef866af95 42 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 43 at_dnsresolve_wnc(MY_SERVER_URL, &MyServerIpAddress);
JMF 2:0e2ef866af95 44 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 45 {
JMF 2:0e2ef866af95 46 reinitialize_mdm();
JMF 2:0e2ef866af95 47 software_init_mdm();
JMF 2:0e2ef866af95 48 }
JMF 2:0e2ef866af95 49 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 50 {
JMF 2:0e2ef866af95 51 pc.puts("Bad URL!!!!!!\r\n");
JMF 2:0e2ef866af95 52 MyServerIpAddress = "192.168.0.1";
JMF 2:0e2ef866af95 53 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 54 }
JMF 2:0e2ef866af95 55 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 56
JMF 2:0e2ef866af95 57 pc.printf("My Server IP: %s\r\n", MyServerIpAddress.data());
JMF 2:0e2ef866af95 58 }
JMF 2:0e2ef866af95 59
JMF 2:0e2ef866af95 60 void sockopen_mdm(void)
JMF 2:0e2ef866af95 61 {
JMF 2:0e2ef866af95 62 do
JMF 2:0e2ef866af95 63 {
JMF 2:0e2ef866af95 64 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 65 at_sockopen_wnc(MyServerIpAddress, MY_PORT_STR);
JMF 2:0e2ef866af95 66 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 67 {
JMF 2:0e2ef866af95 68 reinitialize_mdm();
JMF 2:0e2ef866af95 69 software_init_mdm();
JMF 2:0e2ef866af95 70 }
JMF 2:0e2ef866af95 71 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 72 pc.puts("Socket open fail!!!!\r\n");
JMF 2:0e2ef866af95 73 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 74 }
JMF 2:0e2ef866af95 75
JMF 2:0e2ef866af95 76 void sockwrite_mdm(const char * s)
JMF 2:0e2ef866af95 77 {
JMF 2:0e2ef866af95 78 do
JMF 2:0e2ef866af95 79 {
JMF 2:0e2ef866af95 80 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 81 at_sockwrite_wnc(s);
JMF 2:0e2ef866af95 82 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 83 {
JMF 2:0e2ef866af95 84 reinitialize_mdm();
JMF 2:0e2ef866af95 85 software_init_mdm();
JMF 2:0e2ef866af95 86 }
JMF 2:0e2ef866af95 87 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 88 {
JMF 2:0e2ef866af95 89 pc.puts("Socket Write fail!!!\r\n");
JMF 2:0e2ef866af95 90 // Have seen when write fails modem gets stuck in bad state, try to recover
JMF 2:0e2ef866af95 91 reinitialize_mdm();
JMF 2:0e2ef866af95 92 software_init_mdm();
JMF 2:0e2ef866af95 93 }
JMF 2:0e2ef866af95 94 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 95 }
JMF 2:0e2ef866af95 96
JMF 2:0e2ef866af95 97 void sockread_mdm(string * sockData, int len, int retries)
JMF 2:0e2ef866af95 98 {
JMF 2:0e2ef866af95 99 do
JMF 2:0e2ef866af95 100 {
JMF 2:0e2ef866af95 101 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 102 at_sockread_wnc(sockData, len, retries);
JMF 2:0e2ef866af95 103 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 104 {
JMF 2:0e2ef866af95 105 reinitialize_mdm();
JMF 2:0e2ef866af95 106 software_init_mdm();
JMF 2:0e2ef866af95 107 }
JMF 2:0e2ef866af95 108 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 109 puts("Sock read fail!!!!\r\n");
JMF 2:0e2ef866af95 110 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 111 }
JMF 2:0e2ef866af95 112
JMF 2:0e2ef866af95 113 void sockclose_mdm(void)
JMF 2:0e2ef866af95 114 {
JMF 2:0e2ef866af95 115 do
JMF 2:0e2ef866af95 116 {
JMF 2:0e2ef866af95 117 WNC_MDM_ERR = WNC_OK;
JMF 2:0e2ef866af95 118 at_sockclose_wnc();
JMF 2:0e2ef866af95 119 if (WNC_MDM_ERR == WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 120 {
JMF 2:0e2ef866af95 121 reinitialize_mdm();
JMF 2:0e2ef866af95 122 software_init_mdm();
JMF 2:0e2ef866af95 123 }
JMF 2:0e2ef866af95 124 else if (WNC_MDM_ERR == WNC_CMD_ERR)
JMF 2:0e2ef866af95 125 puts("Sock close fail!!!\r\n");
JMF 2:0e2ef866af95 126 } while (WNC_MDM_ERR != WNC_OK);
JMF 2:0e2ef866af95 127 }
JMF 2:0e2ef866af95 128
JMF 2:0e2ef866af95 129 /**
JMF 2:0e2ef866af95 130 * C++ version 0.4 char* style "itoa":
JMF 2:0e2ef866af95 131 * Written by Lukás Chmela
JMF 2:0e2ef866af95 132 * Released under GPLv3.
JMF 2:0e2ef866af95 133 */
JMF 2:0e2ef866af95 134
JMF 2:0e2ef866af95 135 char* itoa(int value, char* result, int base)
JMF 2:0e2ef866af95 136 {
JMF 2:0e2ef866af95 137 // check that the base if valid
JMF 2:0e2ef866af95 138 if ( base < 2 || base > 36 ) {
JMF 2:0e2ef866af95 139 *result = '\0';
JMF 2:0e2ef866af95 140 return result;
JMF 2:0e2ef866af95 141 }
JMF 2:0e2ef866af95 142
JMF 2:0e2ef866af95 143 char* ptr = result, *ptr1 = result, tmp_char;
JMF 2:0e2ef866af95 144 int tmp_value;
JMF 2:0e2ef866af95 145
JMF 2:0e2ef866af95 146 do {
JMF 2:0e2ef866af95 147 tmp_value = value;
JMF 2:0e2ef866af95 148 value /= base;
JMF 2:0e2ef866af95 149 *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz"[35 + (tmp_value - value * base)];
JMF 2:0e2ef866af95 150 } while ( value );
JMF 2:0e2ef866af95 151
JMF 2:0e2ef866af95 152 // Apply negative sign
JMF 2:0e2ef866af95 153 if ( tmp_value < 0 )
JMF 2:0e2ef866af95 154 *ptr++ = '-';
JMF 2:0e2ef866af95 155 *ptr-- = '\0';
JMF 2:0e2ef866af95 156
JMF 2:0e2ef866af95 157 while ( ptr1 < ptr ) {
JMF 2:0e2ef866af95 158 tmp_char = *ptr;
JMF 2:0e2ef866af95 159 *ptr-- = *ptr1;
JMF 2:0e2ef866af95 160 *ptr1++ = tmp_char;
JMF 2:0e2ef866af95 161 }
JMF 2:0e2ef866af95 162
JMF 2:0e2ef866af95 163 return result;
JMF 2:0e2ef866af95 164 }
JMF 2:0e2ef866af95 165
JMF 2:0e2ef866af95 166 extern int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len);
JMF 2:0e2ef866af95 167
JMF 2:0e2ef866af95 168 // Sets a global with failure or success, assumes 1 thread all the time
JMF 2:0e2ef866af95 169 int send_wnc_cmd(const char * s, string ** r, int ms_timeout)
JMF 2:0e2ef866af95 170 {
JMF 2:0e2ef866af95 171 static const char * rsp_lst[] = { "OK", "ERROR", NULL };
JMF 2:0e2ef866af95 172 int len;
JMF 2:0e2ef866af95 173
JMF 2:0e2ef866af95 174 pc.printf("Send: %s\r\n",s);
JMF 2:0e2ef866af95 175 int res = mdm_sendAtCmdRsp(s, rsp_lst, ms_timeout, &wncStr, &len);
JMF 2:0e2ef866af95 176 *r = &wncStr; // Return a pointer to the static string
JMF 2:0e2ef866af95 177
JMF 2:0e2ef866af95 178 if (res >= 0)
JMF 2:0e2ef866af95 179 {
JMF 2:0e2ef866af95 180 pc.puts("[");
JMF 2:0e2ef866af95 181 pc.puts(wncStr.data());
JMF 2:0e2ef866af95 182 pc.puts("]\n\r");
JMF 2:0e2ef866af95 183 if (res > 0)
JMF 2:0e2ef866af95 184 {
JMF 2:0e2ef866af95 185 if (WNC_MDM_ERR != WNC_NO_RESPONSE)
JMF 2:0e2ef866af95 186 WNC_MDM_ERR = WNC_CMD_ERR;
JMF 2:0e2ef866af95 187 return -1;
JMF 2:0e2ef866af95 188 }
JMF 2:0e2ef866af95 189 else
JMF 2:0e2ef866af95 190 return 0;
JMF 2:0e2ef866af95 191 }
JMF 2:0e2ef866af95 192 else
JMF 2:0e2ef866af95 193 {
JMF 2:0e2ef866af95 194 WNC_MDM_ERR = WNC_NO_RESPONSE;
JMF 2:0e2ef866af95 195 pc.puts("No response from WNC!\n\r");
JMF 2:0e2ef866af95 196 return -2;
JMF 2:0e2ef866af95 197 }
JMF 2:0e2ef866af95 198 }
JMF 2:0e2ef866af95 199
JMF 2:0e2ef866af95 200 void at_init_wnc(void)
JMF 2:0e2ef866af95 201 {
JMF 2:0e2ef866af95 202 string * pRespStr;
JMF 2:0e2ef866af95 203 send_wnc_cmd("AT", &pRespStr, WNC_TIMEOUT_MS); // Heartbeat?
JMF 2:0e2ef866af95 204 send_wnc_cmd("ATE1", &pRespStr, WNC_TIMEOUT_MS); // Echo ON
JMF 2:0e2ef866af95 205 string cmd_str("AT%PDNSET=1,");
JMF 2:0e2ef866af95 206 cmd_str += MY_APN_STR;
JMF 2:0e2ef866af95 207 cmd_str += ",IP";
JMF 2:0e2ef866af95 208 send_wnc_cmd(cmd_str.data(), &pRespStr, 2*WNC_TIMEOUT_MS); // Set APN, cmd seems to take a little longer sometimes
JMF 2:0e2ef866af95 209 send_wnc_cmd("AT@INTERNET=1", &pRespStr, WNC_TIMEOUT_MS); // Internet services enabled
JMF 2:0e2ef866af95 210 send_wnc_cmd("AT@SOCKDIAL=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 211 }
JMF 2:0e2ef866af95 212
JMF 2:0e2ef866af95 213 void at_sockopen_wnc(const string & ipStr, const char * port )
JMF 2:0e2ef866af95 214 {
JMF 2:0e2ef866af95 215 string * pRespStr;
JMF 2:0e2ef866af95 216 send_wnc_cmd("AT@SOCKCREAT=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 217 string cmd_str("AT@SOCKCONN=1,\"");
JMF 2:0e2ef866af95 218 cmd_str += ipStr;
JMF 2:0e2ef866af95 219 cmd_str += "\",";
JMF 2:0e2ef866af95 220 cmd_str += port;
JMF 2:0e2ef866af95 221 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 222 }
JMF 2:0e2ef866af95 223
JMF 2:0e2ef866af95 224 void at_sockclose_wnc(void)
JMF 2:0e2ef866af95 225 {
JMF 2:0e2ef866af95 226 string * pRespStr;
JMF 2:0e2ef866af95 227 send_wnc_cmd("AT@SOCKCLOSE=1", &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 228 }
JMF 2:0e2ef866af95 229
JMF 2:0e2ef866af95 230 int at_dnsresolve_wnc(const char * s, string * ipStr)
JMF 2:0e2ef866af95 231 {
JMF 2:0e2ef866af95 232 string * pRespStr;
JMF 2:0e2ef866af95 233 string str(s);
JMF 2:0e2ef866af95 234 str = "AT@DNSRESVDON=\"" + str;
JMF 2:0e2ef866af95 235 str += "\"\r\n";
JMF 2:0e2ef866af95 236 if (send_wnc_cmd(str.data(), &pRespStr, WNC_TIMEOUT_MS) == 0)
JMF 2:0e2ef866af95 237 {
JMF 2:0e2ef866af95 238 size_t pos_start = pRespStr->find(":\"") + 2;
JMF 2:0e2ef866af95 239 if (pos_start != string::npos)
JMF 2:0e2ef866af95 240 {
JMF 2:0e2ef866af95 241 size_t pos_end = pRespStr->rfind("\"") - 1;
JMF 2:0e2ef866af95 242 if (pos_end != string::npos)
JMF 2:0e2ef866af95 243 {
JMF 2:0e2ef866af95 244 if (pos_end > pos_start)
JMF 2:0e2ef866af95 245 {
JMF 2:0e2ef866af95 246 // Make a copy for use later (the source string is re-used)
JMF 2:0e2ef866af95 247 *ipStr = pRespStr->substr(pos_start, pos_end - pos_start + 1);
JMF 2:0e2ef866af95 248 return 1;
JMF 2:0e2ef866af95 249 }
JMF 2:0e2ef866af95 250 else
JMF 2:0e2ef866af95 251 pc.puts("URL Resolve fail, substr Err\r\n");
JMF 2:0e2ef866af95 252 }
JMF 2:0e2ef866af95 253 else
JMF 2:0e2ef866af95 254 pc.puts("URL Resolve fail, no 2nd quote\r\n");
JMF 2:0e2ef866af95 255 }
JMF 2:0e2ef866af95 256 else
JMF 2:0e2ef866af95 257 pc.puts("URL Resolve fail, no quotes\r\n");
JMF 2:0e2ef866af95 258 }
JMF 2:0e2ef866af95 259 else
JMF 2:0e2ef866af95 260 pc.puts("URL Resolve fail, WNC cmd fail\r\n");
JMF 2:0e2ef866af95 261
JMF 2:0e2ef866af95 262 return -1;
JMF 2:0e2ef866af95 263 }
JMF 2:0e2ef866af95 264
JMF 2:0e2ef866af95 265 void at_sockwrite_wnc(const char * s)
JMF 2:0e2ef866af95 266 {
JMF 2:0e2ef866af95 267 string * pRespStr;
JMF 2:0e2ef866af95 268 char num2str[6];
JMF 2:0e2ef866af95 269 size_t sLen = strlen(s);
JMF 2:0e2ef866af95 270 if (sLen <= 99999)
JMF 2:0e2ef866af95 271 {
JMF 2:0e2ef866af95 272 string cmd_str("AT@SOCKWRITE=1,");
JMF 2:0e2ef866af95 273 itoa(sLen, num2str, 10);
JMF 2:0e2ef866af95 274 cmd_str += num2str;
JMF 2:0e2ef866af95 275 cmd_str += ",\"";
JMF 2:0e2ef866af95 276 while(*s != '\0')
JMF 2:0e2ef866af95 277 {
JMF 2:0e2ef866af95 278 itoa((int)*s++, num2str, 16);
JMF 2:0e2ef866af95 279 // Always 2-digit ascii hex:
JMF 2:0e2ef866af95 280 if (strlen(num2str) == 1)
JMF 2:0e2ef866af95 281 {
JMF 2:0e2ef866af95 282 num2str[2] = '\0';
JMF 2:0e2ef866af95 283 num2str[1] = num2str[0];
JMF 2:0e2ef866af95 284 num2str[0] = '0';
JMF 2:0e2ef866af95 285 }
JMF 2:0e2ef866af95 286 cmd_str += num2str;
JMF 2:0e2ef866af95 287 }
JMF 2:0e2ef866af95 288 cmd_str += "\"";
JMF 2:0e2ef866af95 289 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 290 }
JMF 2:0e2ef866af95 291 else
JMF 2:0e2ef866af95 292 pc.puts("sockwrite Err, string to long\r\n");
JMF 2:0e2ef866af95 293 }
JMF 2:0e2ef866af95 294
JMF 2:0e2ef866af95 295 unsigned at_sockread_wnc(string * pS, unsigned n, unsigned retries = 0)
JMF 2:0e2ef866af95 296 {
JMF 2:0e2ef866af95 297 unsigned i;
JMF 2:0e2ef866af95 298 string * pRespStr;
JMF 2:0e2ef866af95 299 string cmd_str("AT@SOCKREAD=1,");
JMF 2:0e2ef866af95 300 if (n <= 1500)
JMF 2:0e2ef866af95 301 {
JMF 2:0e2ef866af95 302 char num2str[6];
JMF 2:0e2ef866af95 303 itoa(n, num2str, 10);
JMF 2:0e2ef866af95 304 cmd_str += num2str;
JMF 2:0e2ef866af95 305 retries += 1;
JMF 2:0e2ef866af95 306 while (retries--)
JMF 2:0e2ef866af95 307 {
JMF 2:0e2ef866af95 308 send_wnc_cmd(cmd_str.data(), &pRespStr, WNC_TIMEOUT_MS);
JMF 2:0e2ef866af95 309 size_t pos_start = pRespStr->find("\"") + 1;
JMF 2:0e2ef866af95 310 size_t pos_end = pRespStr->rfind("\"") - 1;
JMF 2:0e2ef866af95 311 i = pos_end - pos_start + 1;
JMF 2:0e2ef866af95 312 if (i > 0)
JMF 2:0e2ef866af95 313 {
JMF 2:0e2ef866af95 314 retries = 0; // If any data found stop retrying
JMF 2:0e2ef866af95 315 string byte;
JMF 2:0e2ef866af95 316 pS->erase();
JMF 2:0e2ef866af95 317 while (pos_start < pos_end)
JMF 2:0e2ef866af95 318 {
JMF 2:0e2ef866af95 319 byte = pRespStr->substr(pos_start, 2);
JMF 2:0e2ef866af95 320 *pS += (char)strtol(byte.data(), NULL, 16);
JMF 2:0e2ef866af95 321 pos_start += 2;
JMF 2:0e2ef866af95 322 }
JMF 2:0e2ef866af95 323 return i;
JMF 2:0e2ef866af95 324 }
JMF 2:0e2ef866af95 325 }
JMF 2:0e2ef866af95 326 }
JMF 2:0e2ef866af95 327 else
JMF 2:0e2ef866af95 328 pc.puts("sockread Err, to many to read\r\n");
JMF 2:0e2ef866af95 329
JMF 2:0e2ef866af95 330 return 0;
JMF 2:0e2ef866af95 331 }